Westinghouse LCD picture goes out after about 10 minutes

Picture goes to blue and black vertical moving bars after about 10 minutes of being on. Used to eventually come back to regular picture, but lately the problem has not been resolving. Any suggestions on what the problem is? How expensive to fix?

Mine used to turn on and off with no problems, but every once in awhile I would get vertical lines which would go away after I turned it on and off a few times. Now I turned it on and I got vertical lines, so I turned it off to turn it back on but I had to press the power button multiple times before it would turn back on. I have to press the power button multiple times to get it to turn off, sometimes I just have to pull the power cable out to power it off. I get a blue screen and the led light is on, I can't change the channels, bring up a setup menu or see the changing of sound volume. I'm not sure if the sound works or not, it probably does. It sounds to me like a tube or cable is broken/loose. Anyone know how to fix this?Mine used to turn on and off with no problems, but every once in awhile I would get vertical lines which would go away after I turned it on and off a few times. Now I turned it on and I got vertical lines, so I turned it off to turn it back on but I had to press the power button multiple times before it would turn back on. I have to press the power button multiple times to get it to turn off, sometimes I just have to pull the power cable out to power it off. I get a blue screen and the led light is on, I can't change the channels, bring up a setup menu or see the changing of sound volume. I'm not sure if the sound works or not, it probably does. It sounds to me like a tube or cable is broken/loose. Anyone know how to fix this?

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If you wish to get some details; visit the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.
Search the site with the keyword "Line fault"

If you wish to get some details; visit the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Find the vertical IC and check for very small cracks on the solder joints of its pins and resolder (approx. 10 Pins). Also check in the same area for a 1 micro farad at 50 vdc capacitor that goes bad and replace it.

the vertical blue lines indicate some interference from other electronic gadgets near your tv. it started showing up on my sony grand wega when i installed my wireless modem. i almost ordered a new rear projection lamp costing over $100 but decided to experiment. i first moved my desk computer farther away from the tv then isolated the wireless modem router by placing it inside a small glass - the vertical blue lines became lighter in color so i dedided to find another small glass that fit inside the first glass container then put the router in the double glass - no more blue lines and my wireless modem router still works.
do some deductive thinking to figure out what's messing up your tv and isolate the interference.
good luck!

Hi there yes this is a common problem with old tube tv's and yes eventually stuff seems to break down there is not alot you can really do about it to be honest ...my suggestion is that this is lifes way of saying upgrade ...this tv has done well ....if your looking to upgrade i would suggest going to a Samsung LA26C450 as a replacement television or if you are not so much a fan then a KLV26BX300 as a new option ,

On a non H.Def plasma, there is a PCB that runs along the bottom of the screen that is attached to the screen by a several brown/gold colored flat ribbon cables. I've seen where this ribbon cable is not seated properly in the jack. The ribbon cables are generally responsible for that section of the screen. Next possibility is the PCB itself is defective.
Not to scare you, but the plasma screen itself is a possible suspect.